Redmi 9i smartphone was launched on 15th September 2020. The phone comes with a 6.53-inch touchscreen display with a resolution of 720x1600 pixels and an aspect ratio of 20:9. Redmi 9i is powered by a 1.5GHz octa-core MediaTek Helio G25 processor that features 4 cores clocked at 1.5GHz and 4 cores clocked at 2GHz. It comes with 4GB of RAM. The Redmi 9i runs Android 10 and is powered by a 5000mAh non-removable battery. The Redmi 9i supports proprietary fast charging.

As far as the cameras are concerned, the Redmi 9i on the rear packs a 13-megapixel camera with an f/2.2 aperture and a pixel size of 1.0-micron. The rear camera setup has autofocus. It sports a 5-megapixel camera on the front for selfies.

The Redmi 9i runs MIUI based on Android 10 and packs 64GB of inbuilt storage that can be expanded via microSD card (up to 512GB) with a dedicated slot. The Redmi 9i is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Redmi 9i measures 164.90 x 77.07 x 9.00mm (height x width x thickness) and weighs 194.00 grams. It was launched in Midnight Black, Sea Blue, and Nature Green colours.

Connectivity options on the Redmi 9i include Wi-Fi 802.11 a/b/g/n, GPS, Bluetooth v5.00, Micro-USB, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, proximity sensor, and compass/ magnetometer. The Redmi 9i supports face unlock.